Broadway cast members perform a special Voices Of Broadway concert in Usdan's 1,000-seat McKinley Ampitheater. From left to right: Justin Greer (Anything Goes), Maia Wilson (The Book Of Mormon?), Madeleine Doherty (Sister Act) and Brian O'Brien (Chicago)

Broadway cast members perform a special Voices Of Broadway concert in Usdan's 1,000-seat McKinley Ampitheater. From left to right: Justin Greer (Anything Goes), Maia Wilson (The Book Of Mormon?), Madeleine Doherty (Sister Act) and Brian O'Brien (Chicago)